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Discussion Starter · #1 ·
Hi, I'm from bettafish.com and someone suggested that I come to get help.

So recently my 10 gallon tank has been undergoing some not so good changes, after doing a regular 50% water change, the next day all six of my guppies died and the water in the tank was looking somewhat cloudy.

I tested the water when this happened and there was no ammonia & nitrates, and minimal readings of nitrites. I tested it again the next day and the same readings, but I noticed that my plants are melting/dying.

My crypts are melting, my duckweed is dying, and my cabomba is somewhat turning brown in certain spots.

I really don't know what's wrong with it, at first I thought it was because I forgot to put in water conditioner when I did the water change, but it shouldn't have wiped out all six fish, and kill my plants. I did add the water conditioner when I took out the dead guppies.

I need some guidance, should I just break the tank down? It can't be a disease, I haven't introduced any new species/plants into the tank for over six moths or so.
 

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Discussion Starter · #3 ·
When you say minimal reading of nitrites what exactly do you mean?? .25ppm of nitrites long term can be deadly to fish. Or even short term can cause stress and damage to the fish. These things can lead to health issues for the fish that normally won't bother the fish.

Minimal as in the color is so faint that it's not even on the charts, there's certainly a pink hue to it but not dark enough for me to compare on the charts that's given with my water testing kit, so below 0.1ppm. All my fish had been healthy before but after that one water change they started acting lethargic as the night went on, and just died the next day.

As for the plants not putting in water conditioner wouldnt have cause them to melt. Through depending on what's in your tap water it can cause problems with the fish especially the chlorine. This can cause death in fish. Also how long have you had the plants? Do you add any fertilizer? Crypt melt can be cause by looking at them wrong! LoL just kidding but they will melt for any give reason or change in the aquarium. If they are use to some much light and that changes they can melt. If the parameters of your water changes they can melt. If temperature changes to much they can melt. Get the picture here. LoL

I've had the plants for over a year now, the tank has been running over a year as a NPT, the only fert I add is Flourish every week when I do the weekly 50% WC. If they're melting because there's no livestock in the tank, then I understand, since there's no livestock in the tank now there's no ammonia thus there has been a change in the water parameters.

What type of lights(s) do you have?? How long are they in for?? How long is it on?? Do you use any type of fertilizer if what type?? You said you had Duck weed melting. Before it melted how much of the surfaces was it covering??

I have two 10w ZooMed 6500k bulbs, they've been in for 6 months, actually one of them just died today, I shall be going tomorrow to grab two new ones to replace the ones I have today. It's on for 12 ~ 14 hours per day, depending if I forget to turn it off during the right times. As I said I only use Flourish every week when I do my weekly 50% WC.

The duckweed was a problem but I kept weeding it out every week, slowly but surely less of it is coming back, I would say it covers roughly 1/4 of my tank now, even less.
Hi there thanks for replying. :)
 

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Discussion Starter · #7 ·
Ok thanks for all of your help. :)

I pulled out the dying/dead Crypts, and did another 50% WC. I added water conditioner and dosed Flourish double of what I usually do.

I also noticed a couple of snails dead, so I'm going to assume that it was my fault forgetting to add water conditioner that caused all of this.

I'll see where this tank goes.
 
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